DR. ERNESTO CORTEZ (D.O.) – Family Medicine Physician, NPI 1164436408

DR. ERNESTO CORTEZ (D.O.) is a healthcare provider. based in Chicago, Illinois. specializing in FAMILY PRACTICE. They hold the professional credentials D.O.. They hold a License No. 20A6055 (CA). The NPI Number for DR. ERNESTO CORTEZ (D.O.) is 1164436408

Main info

Male
37 Years Of Experience
Accepts Medicare Assignment
Name
DR. ERNESTO CORTEZ (D.O.)
NPI
1164436408
Phone
(562) 282-1419
Address
75 REMITTANCE DRIVE DEPT 6008
Enumeration Date
29 July 2006
Last Update Date
2 June 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5627895456
Graduation Year
1989 (37 years ago)
PAC ID
5092996199
Group Practice PAC ID
8426951328
Professional Enrollment ID
I20110223000138
Address ID
CA902415026DO11411AVEX300
Telehealth
Yes
Data current as of
10 June 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience66
Completeness85
Years active:19State licenses:2Digital endpointsOther names

13,194 FAMILY PRACTICE in CA

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Provider Addresses for DR. ERNESTO CORTEZ (D.O.)

  • 75 REMITTANCE DRIVE DEPT 6008

    PIONEER MEDICAL GROUP INC

    CHICAGO, IL 606756008

    Phone: (562) 282-1419

    Fax: (562) 920-4642

    Type: Mailing

  • 10251 ARTESIA BLVD

    PIH

    BELLFLOWER, CA 907066719

    Phone: (565) 867-8681

    Fax: (562) 461-0691

    Type: Mailing

  • 10251, Artesia Boulevard, Bellflower, Los Angeles County, California, 90706, United States

    BELLFLOWER, CA 907066719

    Phone: (562) 867-8681

    Fax: (562) 925-2721

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $21.

Total Amount is formed as General ($21) + Research ($0) + Ownership ($0) = $21.

Last reported payment date: 2023-10-27 • Largest payer in this snapshot: Alkermes, Inc. ($21).

Total Amount

$21

General + Research + Ownership

Payments

1

Total payment records

General Amount

$21

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-10-27

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Alkermes, Inc.$21
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2011-02-23

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20110223000138IFamily PracticeCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes14364$0
36415Insertion of needle into vein for collection of blood sample4333$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit1515$0
View full utilization report →

Insurance plans in this area (ZIP 60675)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8426951328View full group profile

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Does DR. ERNESTO CORTEZ (D.O.) have a public NPI I can cite?
Public records show DR. ERNESTO CORTEZ (D.O.) under NPI 1164436408.
Is DR. ERNESTO CORTEZ (D.O.) currently accepting referrals based on NPI status?
Registry metadata lists DR. ERNESTO CORTEZ (D.O.) as active.
What services align with DR. ERNESTO CORTEZ (D.O.)'s listing?
DR. ERNESTO CORTEZ (D.O.)'s public classification highlights Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Which community is linked to DR. ERNESTO CORTEZ (D.O.)?
DR. ERNESTO CORTEZ (D.O.) shows a connection to Chicago, Illinois in registry-derived data.
Can I export DR. ERNESTO CORTEZ (D.O.)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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